43 lines
833 B
C#
43 lines
833 B
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace HN.Domain
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{
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/// <summary>
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/// Représente une entité sur laquelle on peut voter.
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/// </summary>
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public abstract class Votable
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{
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private List<Vote> _votes;
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public IReadOnlyList<Vote> Votes => _votes;
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protected Votable()
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{
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_votes = new List<Vote>();
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}
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public void UpvoteBy(Guid userId)
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{
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UpsertUserVote(userId, VoteType.Up);
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}
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public void DownvoteBy(Guid userId)
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{
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UpsertUserVote(userId, VoteType.Down);
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}
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private void UpsertUserVote(Guid userId, VoteType type)
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{
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var vote = _votes.SingleOrDefault(v => v.CreatedBy == userId);
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if (vote == null)
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{
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_votes.Add(new Vote(userId, type));
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return;
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}
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vote.HasType(type);
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}
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}
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} |